mapper->addMapping(typeComboBox, 2, "currentIndex");mapper->addMapping(typeComboBox, 2, "currentText");QVector4D operator*( const QMatrix4x4& matrix, const QVector4D& vector )
// Можно поменять местами
QVector4D operator*( const QVector4D& vector, const QMatrix4x4& matrix )QVector4D result = modelToWorld * up;